/**
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******************************************************************************
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* @file tim.c
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* @brief This file provides code for the configuration
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* of the TIM instances.
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******************************************************************************
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* @attention
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*
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* <h2><center>© Copyright (c) 2021 STMicroelectronics.
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* All rights reserved.</center></h2>
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*
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* This software component is licensed by ST under BSD 3-Clause license,
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* the "License"; You may not use this file except in compliance with the
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* License. You may obtain a copy of the License at:
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* opensource.org/licenses/BSD-3-Clause
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*
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******************************************************************************
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*/
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/* Includes ------------------------------------------------------------------*/
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#include "tim.h"
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/* USER CODE BEGIN 0 */
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/* USER CODE END 0 */
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TIM_HandleTypeDef htim2;
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TIM_HandleTypeDef htim6;
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/* TIM2 init function */
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void MX_TIM2_Init(void)
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{
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/* USER CODE BEGIN TIM2_Init 0 */
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/* USER CODE END TIM2_Init 0 */
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TIM_MasterConfigTypeDef sMasterConfig = {0};
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TIM_OC_InitTypeDef sConfigOC = {0};
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/* USER CODE BEGIN TIM2_Init 1 */
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/* USER CODE END TIM2_Init 1 */
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htim2.Instance = TIM2;
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htim2.Init.Prescaler = 80-1;
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htim2.Init.CounterMode = TIM_COUNTERMODE_UP;
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htim2.Init.Period = 370-1;
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htim2.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
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htim2.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_DISABLE;
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if (HAL_TIM_PWM_Init(&htim2) != HAL_OK)
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{
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Error_Handler();
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}
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sMasterConfig.MasterOutputTrigger = TIM_TRGO_RESET;
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sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE;
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if (HAL_TIMEx_MasterConfigSynchronization(&htim2, &sMasterConfig) != HAL_OK)
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{
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Error_Handler();
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}
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sConfigOC.OCMode = TIM_OCMODE_PWM1;
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sConfigOC.Pulse = 185;
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sConfigOC.OCPolarity = TIM_OCPOLARITY_HIGH;
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sConfigOC.OCFastMode = TIM_OCFAST_DISABLE;
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if (HAL_TIM_PWM_ConfigChannel(&htim2, &sConfigOC, TIM_CHANNEL_2) != HAL_OK)
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{
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Error_Handler();
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}
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/* USER CODE BEGIN TIM2_Init 2 */
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/* USER CODE END TIM2_Init 2 */
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HAL_TIM_MspPostInit(&htim2);
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}
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/* TIM6 init function */
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void MX_TIM6_Init(void)
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{
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/* USER CODE BEGIN TIM6_Init 0 */
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/* USER CODE END TIM6_Init 0 */
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TIM_MasterConfigTypeDef sMasterConfig = {0};
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/* USER CODE BEGIN TIM6_Init 1 */
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/* USER CODE END TIM6_Init 1 */
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htim6.Instance = TIM6;
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htim6.Init.Prescaler = 80-1;
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htim6.Init.CounterMode = TIM_COUNTERMODE_UP;
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htim6.Init.Period = 1;
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htim6.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_DISABLE;
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if (HAL_TIM_Base_Init(&htim6) != HAL_OK)
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{
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Error_Handler();
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}
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sMasterConfig.MasterOutputTrigger = TIM_TRGO_RESET;
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sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE;
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if (HAL_TIMEx_MasterConfigSynchronization(&htim6, &sMasterConfig) != HAL_OK)
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{
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Error_Handler();
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}
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/* USER CODE BEGIN TIM6_Init 2 */
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/* USER CODE END TIM6_Init 2 */
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}
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void HAL_TIM_PWM_MspInit(TIM_HandleTypeDef* tim_pwmHandle)
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{
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if(tim_pwmHandle->Instance==TIM2)
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{
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/* USER CODE BEGIN TIM2_MspInit 0 */
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/* USER CODE END TIM2_MspInit 0 */
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/* TIM2 clock enable */
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__HAL_RCC_TIM2_CLK_ENABLE();
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/* USER CODE BEGIN TIM2_MspInit 1 */
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/* USER CODE END TIM2_MspInit 1 */
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}
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}
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void HAL_TIM_Base_MspInit(TIM_HandleTypeDef* tim_baseHandle)
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{
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if(tim_baseHandle->Instance==TIM6)
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{
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/* USER CODE BEGIN TIM6_MspInit 0 */
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/* USER CODE END TIM6_MspInit 0 */
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/* TIM6 clock enable */
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__HAL_RCC_TIM6_CLK_ENABLE();
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/* USER CODE BEGIN TIM6_MspInit 1 */
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/* USER CODE END TIM6_MspInit 1 */
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}
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}
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void HAL_TIM_MspPostInit(TIM_HandleTypeDef* timHandle)
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{
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GPIO_InitTypeDef GPIO_InitStruct = {0};
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if(timHandle->Instance==TIM2)
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{
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/* USER CODE BEGIN TIM2_MspPostInit 0 */
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/* USER CODE END TIM2_MspPostInit 0 */
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__HAL_RCC_GPIOA_CLK_ENABLE();
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/**TIM2 GPIO Configuration
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PA1 ------> TIM2_CH2
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*/
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GPIO_InitStruct.Pin = Beep_Pin;
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GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
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GPIO_InitStruct.Pull = GPIO_PULLDOWN;
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
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GPIO_InitStruct.Alternate = GPIO_AF1_TIM2;
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HAL_GPIO_Init(Beep_GPIO_Port, &GPIO_InitStruct);
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/* USER CODE BEGIN TIM2_MspPostInit 1 */
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/* USER CODE END TIM2_MspPostInit 1 */
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}
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}
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void HAL_TIM_PWM_MspDeInit(TIM_HandleTypeDef* tim_pwmHandle)
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{
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if(tim_pwmHandle->Instance==TIM2)
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{
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/* USER CODE BEGIN TIM2_MspDeInit 0 */
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/* USER CODE END TIM2_MspDeInit 0 */
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/* Peripheral clock disable */
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__HAL_RCC_TIM2_CLK_DISABLE();
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/* USER CODE BEGIN TIM2_MspDeInit 1 */
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/* USER CODE END TIM2_MspDeInit 1 */
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}
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}
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void HAL_TIM_Base_MspDeInit(TIM_HandleTypeDef* tim_baseHandle)
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{
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if(tim_baseHandle->Instance==TIM6)
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{
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/* USER CODE BEGIN TIM6_MspDeInit 0 */
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/* USER CODE END TIM6_MspDeInit 0 */
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/* Peripheral clock disable */
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__HAL_RCC_TIM6_CLK_DISABLE();
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/* USER CODE BEGIN TIM6_MspDeInit 1 */
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/* USER CODE END TIM6_MspDeInit 1 */
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}
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}
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/* USER CODE BEGIN 1 */
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/* TIM6ï¿??16ä½ç计æ°ï¿??(2^16=65535)ï¼è¿éæ们us级延æ¶æ大å°60000 */
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void delay_us(uint16_t us)
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{
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/* ä¸æä¼ææå¾®ç§å»¶æ¶å½æ°ä½è®¡æ°å¨è®¡æ°ä¸ä¼å,é²æ¢è®¡æ°å¨å¢å å°ï¿??大计æ°ä¹åéæ°å¼å§è®¡ï¿?? */
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uint16_t differ = 60000-us;
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HAL_TIM_Base_Start(&htim6);
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__HAL_TIM_SET_COUNTER(&htim6, differ);
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while( differ < 60000 )
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{
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differ=__HAL_TIM_GET_COUNTER(&htim6);
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}
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HAL_TIM_Base_Stop(&htim6);
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}
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void beep_start(uint8_t times, uint16_t interval)
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{
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while( times-- )
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{
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/* Start buzzer */
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if (HAL_TIM_PWM_Start(&htim2, TIM_CHANNEL_2) != HAL_OK)
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{
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/* Starting Error */
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Error_Handler();
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}
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HAL_Delay(interval);
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/* Stop buzzer */
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if (HAL_TIM_PWM_Stop(&htim2, TIM_CHANNEL_2) != HAL_OK)
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{
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/* Starting Error */
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Error_Handler();
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}
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HAL_Delay(interval);
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}
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}
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/* USER CODE END 1 */
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/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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